Lecture 4. DefineLang – Global Variables Lecture 4. DefineLang – Global Variables February 1, 2021 Local and Global Variables I Local variable: available based on the scope of the let expression I Global variable: available during the entire iteration with the interpreter I (define Sun 0) I (define a 97) I DefineLang: new feature added […]
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CS 342 Principles of Programming Languages Homework 5 Homework Solutions: FuncLang (Part II) Learning Objectives: 1. Functional programming 2. Understand and expand FuncLang interpreter Instructions: • Total points: 54 pt • Early deadline: Mar 24 (Wed) at 11:59 PM; Regular deadline: Mar 26 (Fri) at 11:59 PM (you can continue working on the homework till
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CS 342 Principles of Programming Languages Homework 8 Homework Solutions: TypeLang Learning Objectives: 1. Understanding and implementing typing rules Instructions: • Total points 66 pt • Early deadline: Apr 14 (Wed) at 11:59 PM; Regular deadline: Apr 16 (Fri) at 11:59 PM (or till TAs start grading the homework) • Download hw8code.zip from Canvas. Interpreter
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CS 342 Principles of Programming Languages Homework 8 Homework: TypeLang Learning Objectives: 1. Understanding, writing, and implementing typing rules 2. TypeLang programming Instructions: • Total points 66 pt • Early deadline: Apr 14 (Wed) at 11:59 PM; Regular deadline: Apr 16 (Fri) at 11:59 PM (or till TAs start grading the homework) • Download hw8code.zip
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CS 342 Principles of Programming Languages Homework 7 Homework Solutions: RefLang Learning Objectives: 1. RefLang programming 2. Understand and expand RefLang interpreter Instructions: • Total points: 48 pt • Early deadline: April 7 (Wed) at 11:59 PM; Regular deadline: April 9 (Fri) at 11:59 PM (you can continue working on the homework till TA starts
RefLang: a language about references/pointers RefLang: a language about references/pointers March 11, 2021 Side Effect I Pure functional programs have no side effects: given the same input a functional program would produce the same output. I Side effect: change the state of the program besides its output, i.e.,it can potentially effect other functions and programs.
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Lecture 3. ArithLang – Arithmetics Lecture 3. ArithLang – Arithmetics January 27, 2021 Overview I A language that implements float/integer arithmetic I Design decision: prefix, infix and postfix I Interpreter: Java I Arithlang syntax and semantics, and their implementations Note. Syntax, semantics, design desicisions of ArithLang are taken from the language Scheme. Interpreter Demo Prefix,
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Lecture 5. FuncLang – Functions Lecture 5. FuncLang – Functions February 23, 2021 Overview I FuncLang: writing programs in functional programming languages I lambda expression I recursion I high-order functions I build-in functions (list, pair) I control structures I Syntax I Semantics I Implementation Abstraction in Programming Languages I Variable in imperative programming languages I
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Compilation, Interpretation & Overview of Java Virtual Machine Slide #2 of 37 Lecture Objective To introduce the basic concepts of compilation, interpretation and Java Virtual Machine. Slide #3 of 37 Lecture Outline Levels of Programming Languages High Level to Low Level Translation High Level Program Execution Compilation vs. Interpretation Combined
Computer Systems Computer Systems Examination Format & Preparation Examination Process The School’s guidance is definitive. These notes are just to help you • The January exams for all modules will take place online. • The exam for Computer Systems is at: • Wednesday, January 12, 09:30-12:00 UK time • All exams have the following durations:
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